Mathematics Question and Solution
Calculating x.
Notice.
The composite plane shape is drawn to scale.
2(60+x)+x = 180
120+2x+x = 180
3x = 60
x = 20°
Or
(60-x)+2(60+10) = 180
60-x+140 = 18
200-x = 180
x = 200-180
x = 20°
Calculating x.
Notice.
The composite plane shape is drawn to scale.
2(60+x)+x = 180
120+2x+x = 180
3x = 60
x = 20°
Or
(60-x)+2(60+10) = 180
60-x+140 = 18
200-x = 180
x = 200-180
x = 20°
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